northern pitch pine vs pine

northern pitch pine and pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
northern pitch pine	Yes	No	No	No
pine	Yes	No	Yes	No

As nouns, pine is a hypernym of northern pitch pine; that is, pine is a word with a broader meaning than northern pitch pine:

northern pitch pine: large three-needled pine of the eastern United States and southeastern Canada; closely related to the pond pine
pine: a coniferous tree

Other hypernyms of northern pitch pine include pine tree, true pine.

northern pitch pine (noun)	pine (noun)
large three-needled pine of the eastern United States and southeastern Canada; closely related to the pond pine	a coniferous tree
	straight-grained durable and often resinous white to yellowish timber of any of numerous trees of the genus Pinus

northern pitch pine (verb)	pine (verb)
	have a desire for something or someone who is not present